Amino acids are vital substances that are mostly ingested through food. There are hundreds of different amino acids, but in terms of diet and nutrition, there are only 22 you need to be concerned with. Collectively amino acids are used to support nearly every physiological function, including muscle growth and athletic endurance.
Dietary amino acids
The 22 amino acids that relate to diet and nutrition are called "standard amino acids." They're subdivided further into two groups: essential and nonessential.
Essential amino acids
There are nine essential amino acids. These must be taken in through food or supplementation since the body has no means of synthesizing them. They are:
| Essential amino acid | How it works |
|---|---|
| Histidine | Supports the central nervous and digestive systems.[1] |
| Isoleucine* | Promotes the use of glucose and protein by the muscles during exercise, and regulates blood sugar levels.[2] |
| Leucine* | Mostly used for protein synthesis in muscle tissues, but also improves glucose uptake and is necessary to form blood cells.[3] This is our favorite amino acid due to its muscle-building and endurance-boosting effects. |
| Valine* | Converts fatty acids to energy and helps the digestive system absorb calcium.[4] |
| Lysine | Converts fatty acids to energy and helps the digestive system absorb calcium.[4] |
| Methionine | Very important to kidney cells, methionine is also a precursor of creatine, taurine, and lecithin.[5] |
| Phenylalanine | Helps to regulate mood and cognitive function.[6] |
| Threonine | Needed to form collagen and tooth enamel, it also supports the immune system.[7] |
| Tryptophan | While it's probably most familiar as a sleep aid, tryptophan is also a precursor for the synthesis of auxin, niacin, and serotonin. It is also needed to regulate nitrogen levels.[8] |
*Also known as branched-chain amino acids (BCAAs).
Nonessential amino acids
The remaining 13 amino acids are considered "nonessential" as the body can synthesize them from other sources. Serine
| Essential amino acid | How it works | |
|---|---|---|
| Alanine | Used to form glucose in the liver, it's also needed for sugar and acid digestion and for immune system support.[10] | |
| Arginine | A necessary precursor for the nitric oxide synthesis, helps in both tissue and bone repair, supports the immune system, and removes ammonia from the body.[11] | |
| Asparagine | Aids in metabolic control of cell functions in nerve and brain tissue.[12] | |
| Aspartic acid | Is thought to be a neurotransmitter, but research is not yet conclusive.[13] | |
| Cysteine | A precursor to glutamic acid, glycine, and sulfide.[14] | |
| Glutamic acid | Necessary for metabolic function, removal of excess nitrogen and is the most common neurotransmitter in the body.[15] | |
| Glutamine | Needed for protein synthesis, pH balance in the kidneys, cellular energy, and as a transporter of nitrogen, carbon, and ammonia.[16] | |
| Glycine | Needed to digest proteins and is a common neurotransmitter.[17] | |
| Ornithine | Necessary to support the urea cycle and may also play a role in reducing the feeling of fatigue.[18] | |
| Proline | Needed for regular joint and tendon function and also for the formation of collagen.[19] | |
| Selenocysteine | Serves the same functions as cysteine but also plays a role in protein synthesis.[20] | |
| Serine | Needed for metabolic function and also functions as a neurotransmitter.[21] | |
| Tyrosine | Needed to synthesize melanin, epinephrine, and thyroid hormones.[22]td> |
Supplementation
There are hundreds of different amino acids, but in terms of diet and nutrition, only 22 you need to be concerned with.
As far as diet goes, supplementation with essential amino acids is generally only necessary for certain medical conditions or to support a vegetarian/vegan diet.
The BCAAs can help to promote muscle growth and speed recovery, however, so you'll frequently see them included in pre-workout formulas and protein mixes. Supplements that emphasize BCAAs are usually formulated in a ratio that expresses how much relative leucine, isoleucine, and valine they have. For example, one common formulation you'll see in supplements is leucine in a 2:1:1 ratio. This simply means there's twice as much leucine as there are the other two BCAAs.
Glutamine is frequently featured in supplements under the claim that it is a vital muscle fuel source that is depleted by exercise. It's still unclear whether glutamine supplementation before or during a workout has any effect on muscle performance, however. Two placebo studies found no effect of glutamine supplementation whatsoever in weightlifting tests.[23,24] However, a study of long-distance runners found that glutamine seemed to bolster their strained immune systems after a marathon run.[25]
Beta-alanine is a useful supplement for upping the intensity of your workout. It increases the availability of carnosine to muscle tissue. Carnosine regulates the pH balance of muscles by scooping up the hydrogen ions generated when they're in use, and this amounts to a boost in both muscle output and endurance. While there's no studies that have shown carnosine to directly influence the growth of muscles, supplementation does allow for longer sets at higher intensity. Concurrent carnosine supplementation is necessary to see this benefit, though - beta-alanine alone doesn't have any particular effect.
The L-carnitine family provides energy at a cellular level. It's made up of several sub-compounds that have different beneficial effects. Acetyl L-carnitine (ALCAR) is a neurotransmitter that improves cognitive function and reduces feelings of fatigue. Propionyl-L-carnitine (PLCAR) has been shown in rat studies to promote the burning of fat as energy to support working muscle tissue. L-carnitine L-tartrate is an antioxidant that eases soreness after exercise. And glycine propionyl-L-carnitine (GPLC) improves blood flow and oxygen delivery to muscle tissue.
Food sources
Both the essential and the non-essential amino acids are found in foods that are rich in protein.
If you're meeting your overall daily nutritional requirements for protein and carbohydrates, your body will be able to synthesize all of the non-essential amino acids that it needs.
Meat, eggs, poultry, and fish are the best complete sources of the nine essential amino acids. Beans are also good sources, particularly pinto, kidney, and soy. A number of vegetables do contain complete proteins, but in much smaller amounts than other food sources.
Where to buy
You can find amino acid supplements here at PricePlow at 30% to 50% off of retail prices. We typically enjoy powdered-based formulas more, especially for workouts, since they are more convenient, tastier, and typically cost less per gram.
References
- PubChem; "Histidine;" 2014
- PubChem; "Isoleucine;" 2014
- PubChem; "Leucine;" 2014
- PubChem; "Lysine;" 2014
- PubChem; "Methionine;" 2014
- PubChem; "Phenylalanine;" 2014
- PubChem; "Threonine;" 2014
- PubChem; "Tryptophan;" 2014
- PubChem; "Valine;" 2014
- PubChem; "Alanine;" 2014
- PubChem; "Arginine;" 2014
- PubChem; "Asparagine;" 2014
- PubChem; "Aspartic Acid;" 2014
- PubChem; "Cysteine;" 2014
- PubChem; "Glutamic Acid;" 2014
- PubChem; "Glutamine;" 2014
- PubChem; "Glycine;" 2014
- PubChem; "Ornithine;" 2014
- PubChem; "Proline;" 2014
- PubChem; "Selenocysteine;" 2014
- PubChem; "Serine;" 2014
- PubChem; "Tyrosine" 2014
- Candow, D, et. al; European Journal of Applied Physiology; "Effect of glutamine supplementation combined with resistance training in young adults;" December 2001
- Antonio, J, et. al; Journal of Strength and Conditioning Research; "The effects of high-dose glutamine ingestion on weightlifting performance;" February 2002
- Castell, L, et. al; Nutrition; "The effects of oral glutamine supplementation on athletes after prolonged, exhaustive exercise;" July 1997
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Categories: Cysteine, Glutathione, Vitamin C -
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Enhanced Labs Shred Powers Your Cut with NeuroRush and CapsiBurn -
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Basic Supplements launches three foundational products - BCAA, Creatine, and Glutamine, with transparent testing and quality manufacturing at Nutrablend. -
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Life Extension L-Arginine Caps was created.
Category: L-Arginine -
Jan 28, 2025 
YouTube Video
Why Spoken Aminos + ATP Goes Beyond Basic Amino Acids -
Jan 28, 2025 
TikTok Video
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Jan 27, 2025 
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Nugenix Perform: Intimate Vitality Formula with Nitrosigine -
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Jan 26, 2025 
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Sunergetic NAC (N-Acetyl Cysteine) was created.
Category: N-Acetyl-Cysteine -
Jan 22, 2025 
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Titan Nutrition HMB was created.
Category: HMB -
Jan 22, 2025 
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1st Phorm BCAA was created.
Category: BCAA Powder -
Jan 22, 2025 
Product News
1st Phorm Anabolic Bridge was created.
Category: Amino Acids -
Jan 22, 2025 
Product News
1st Phorm Glutamine was created.
Category: Glutamine Powder -
Jan 22, 2025 
Product News
Titan Nutrition reBuild Unrivaled was created.
Categories: Intra Workout, Post Workout Supplements -
Jan 22, 2025 
Product News
Pitbull Labs Aminos was created.
Category: Amino Acids -
Jan 21, 2025 
Blog Post
Magnum Nutraceuticals Celebrates 20th Birthday with $3000 Giveaway & Major Deals
Magnum celebrates 20 years with their biggest giveaway ever. Win a year's worth of supplements plus huge January savings with BOGO deals and site-wide sales -
Jan 21, 2025 
Product News
Titan Nutrition NAC (N-Acetyl-Cysteine) was created.
Category: N-Acetyl-Cysteine -
Jan 21, 2025 
Product News
Titan Nutrition L-Citrulline was created.
Category: Citrulline -
Jan 21, 2025 
Product News
Titan Nutrition EAA was created.
Category: Essential Amino Acids -
Jan 21, 2025 
Product News
Titan Nutrition Glutamine was created.
Category: Glutamine Powder -
Jan 21, 2025 
Product News
Titan Nutrition Beta-Alanine was created.
Category: Beta Alanine -
Jan 21, 2025 
Product News
Titan Nutrition BCAA+ was created.
Category: BCAA Powder -
Jan 20, 2025 
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Spoken Aminos + ATP: High-Dose EAAs Enhanced with Peak ATP
Spoken Aminos + ATP brings clinically-dosed Peak ATP to amino supplementation, combining pro sports expertise with research-backed ingredients for elite results -
Jan 19, 2025 
Product News
Spoken Nutrition Aminos + ATP was created.
Categories: BCAA Powder, Essential Amino Acids, Intra Workout, Peak ATP -
Jan 16, 2025 
YouTube Video
Basic Supplements Goes Full Transparency with Third-Party Lab Test Results -
Jan 15, 2025 
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Basic Supplements Proves Their Quality: Lab Test Results Reveal High Manufacturing Standards
Basic Supplements releases third-party lab tests proving their products exceed label claims and maintain strict quality standards in supplement manufacturing. -
Jan 10, 2025 
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Optimum Nutrition AmiNO Energy Focus + Hydration was created.
Categories: Electrolytes, Energy Aminos -
Jan 09, 2025 
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EVLution Nutrition BCAA 5000 has new variations: Category: BCAA -
Jan 07, 2025 
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Jan 05, 2025 
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UXO Supplements EAAS was created.
Category: Essential Amino Acids -
Jan 03, 2025 
YouTube Video
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Dec 21, 2024 
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ISSN Updates Position Stand on HMB -
Dec 21, 2024 
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BodyTech L-Carnitine Thermo was created.
Category: L-Carnitine -
Dec 21, 2024 
TikTok Video
ISSN has updated its position stand on HMB and everyone should be noticing. Muscle building and... -
Dec 19, 2024 
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ISSN releases new position stand on HMB, confirming its safety and effectiveness for muscle health, performance, and recovery across various populations. -
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Category: GABA -
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YouTube Video
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Dec 18, 2024 
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Designs For Health L-Tyrosine was created.
Category: L-Tyrosine -
Dec 18, 2024 
Product News
Designs For Health Stabilized R-Lipoic Acid Supreme was created.
Categories: Alpha Lipoic Acid, Taurine
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Amino Acid Price Alerts
The following price alerts are still active:
- Jun 08, 2025Rule 1 Active BCAA 30 Servings (only Fruit Punch) dropped by 10% to $18.39 at iHerb.com
- Jun 08, 2025EHP Labs Beyond BCAA + EAA 30 Servings (only GhostBusters - Slimer (Lime Cooler)) dropped by 20% to $37.96 at iHerb.com
- Jun 08, 2025Rule 1 Active BCAA 30 Servings (only Golden Gummy) dropped by 25% to $15.32 at iHerb.com
- Jun 08, 2025Xtend Ripped 30 Servings (only Strawberry Kiwi Splash) dropped by 25.2% to $30.50 at Walmart
- Jun 08, 2025MRM BCAA+G 2.2 Lbs. (only Lemonade) dropped by 22% to $38.62 at iHerb.com
- Jun 08, 2025BPI Sports Best BCAA Pump 25 Servings (only Lemon Squeeze) dropped by 7.7% to $21.81 at Amazon
- Jun 08, 2025Optimum Nutrition AmiNO Energy Focus + Hydration 30 Servings dropped by 10.2% to $39.49 at Walmart
- Jun 08, 2025Musclesport BCAA Revolution 30 Servings (only Baja Splash, Big City Apple, Calypso Cooler, Cherry Limeade, Cotton Candy, Mango Splash, Rainbow Candy, Rainbow Italian Ice, Strawberry Daiquiri) dropped by 11.1% to $33.99 at Natural Body Inc
- Jun 08, 2025Musclesport BCAA Revolution 30 Servings (only PassionFruit) dropped by 20% to $33.99 at Natural Body Inc
- Jun 08, 2025Musclesport BCAA Revolution 30 Servings (only Fuhgettaboutit Fruit Punch) dropped by 15% to $33.99 at Natural Body Inc
- Jun 07, 2025Myprotein Essential BCAA 2:1:1 0.55 Lbs. (only Rainbow Sherbet) dropped by 12% to $15.39 at MyProtein
- Jun 07, 2025Myprotein Essential BCAA 2:1:1 0.55 Lbs. (only Blue Raspberry) dropped by 8.5% to $11.89 at MyProtein
- Jun 07, 2025Myprotein Essential BCAA 2:1:1 0.55 Lbs. (only Unflavored, Watermelon) dropped by 24% to $13.29 at MyProtein
- Jun 07, 2025Myprotein Essential BCAA 2:1:1 1.1 Lbs. (only Blue Raspberry, Peach Rings, Unflavored) dropped by 11.1% to $27.99 at MyProtein
- Jun 07, 2025Myprotein Essential BCAA 2:1:1 1.1 Lbs. (only Watermelon) dropped by 22.2% to $24.49 at MyProtein
- Jun 07, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Variety Pack) dropped by 20.4% to $19.88 at Amazon
- Jun 07, 2025EVLution Nutrition BCAA Energy 30 Servings (only Orange Blast) dropped by 61.9% to $9.13 at iHerb.com
- Jun 07, 2025Kaged Intra-Workout 20 Servings dropped by 20% to $25.07 at iHerb.com
- Jun 07, 2025Gaspari Nutrition Glutamine 300 Grams dropped by 15.7% to $15.19 at iHerb.com
- Jun 07, 2025Kaged BCAA 2:1:1 400 Grams dropped by 22.1% to $20.92 at iHerb.com
- Jun 06, 2025Ronnie Coleman BCAA-XS 200 Tablets dropped by 6.2% to $29.99 at Muscle and Strength
- Jun 06, 2025BPI Sports Best BCAA 30 Servings (only Blue Raspberry, Fruit Punch, Grape, Passion Fruit, Rainbow Ice, Sour Candy, Watermelon Ice) dropped by 6.3% to $14.99 at Muscle and Strength
- Jun 06, 2025Primeval Labs EAA Max 30 Servings (only Jungle Juice) dropped by 16.7% to $29.99 at Muscle and Strength
- Jun 06, 2025Basic Supplements BCAA Electrolyte Formula 30 Servings dropped by 20% to $9.99 at Muscle and Strength
- Jun 06, 2025AllMax Nutrition A:Cuts 30 Servings (only Cotton Candy) dropped by 29.2% to $13.99 at Muscle and Strength
- Jun 06, 2025AllMax Nutrition A:Cuts 30 Servings (only Goji Berry Martini) dropped by 6.7% to $13.99 at Muscle and Strength
- Jun 06, 2025Xtend Original 90 Servings (only Glacial Grape, Lemon Lime Squeeze, Mango Madness, Smash Apple, Strawberry Kiwi Splash, Watermelon Explosion) dropped by 8.1% to $90.00 at Muscle and Strength
- Jun 06, 2025Xtend Original 30 Servings (only Lemon Lime Squeeze) dropped by 11.2% to $37.99 at Muscle and Strength
- Jun 06, 2025Xtend Original 90 Servings (only Blue Raspberry Ice, Knockout Fruit Punch) dropped by 10% to $90.00 at Muscle and Strength
- Jun 06, 2025Myprotein Essential BCAA 2:1:1 0.55 Lbs. (only Peach Rings) dropped by 25.7% to $12.99 at Muscle and Strength
- Jun 06, 2025MuscleTech Platinum 100% Glutamine 300 Grams dropped by 7.3% to $25.99 at Muscle and Strength
- Jun 06, 2025AllMax Nutrition Aminocore BCAA 30 Servings (only Blue Raspberry, Pineapple Mango, Watermelon, White Grape) dropped by 6.3% to $29.99 at Muscle and Strength
- Jun 06, 2025Axe & Sledge Glutamine 40 Servings dropped by 17% to $14.39 at DPS Nutrition
- Jun 06, 2025Rule 1 BCAA 30 Servings (only Blue Raspberry, Grape, Orange, Peach Mango, Pineapple, Unflavored, Watermelon) dropped by 9.1% to $9.99 at Muscle and Strength
- Jun 06, 2025EVLution Nutrition Glutamine5000 300 Grams dropped by 37.2% to $11.54 at iHerb.com
- Jun 06, 2025EVLution Nutrition BCAA Energy +Electrolytes 30 Servings (only Orange Mango) dropped by 57.7% to $10.16 at iHerb.com
- Jun 06, 2025Ronnie Coleman BCAA-XS 30 Servings (only Lemonade) dropped by 10% to $11.75 at iHerb.com
- Jun 05, 2025Hi-Tech Pharmaceuticals Off The Chain 30 Servings (only Orange) dropped by 40% to $17.96 at Best Price Nutrition
- Jun 05, 2025Mutant BCAA Thermo 30 Servings (only Candy Crush) dropped by 60% to $9.99 at Muscle and Strength
- Jun 05, 2025Podium Nutrition Hydro + Salt BCAA 30 Servings (only Blue Razz Slushie, Peach Mango, Sour Watermelon) dropped by 28.6% to $24.99 at Podium Nutrition
- Jun 05, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Blueberry Lemonade) dropped by 9.4% to $19.88 at Amazon
- Jun 05, 2025Blackstone Labs Glutamine 500 Grams dropped by 25% to $29.99 at Tiger Fitness
- Jun 05, 2025EVLution Nutrition BCAA Energy 30 Servings (only Watermelon) dropped by 43% to $11.39 at iHerb.com
- Jun 05, 2025Swanson BCAA 100 Capsules dropped by 11.2% to $7.25 at iHerb.com
- Jun 05, 2025Swanson L-Leucine 60 Vcaps dropped by 11.2% to $5.54 at iHerb.com
- Jun 04, 2025Beverly International Muscle Mass 150 Tablets dropped by 6.3% to $27.18 at DPS Nutrition
- Jun 04, 2025Fresh Supps Amino 30 Servings (only Blueberry Pomegranate, Shark Gummies) dropped by 6.7% to $39.99 at DPS Nutrition
- Jun 04, 2025Rule 1 BCAA 60 Servings (only Blue Raspberry) dropped by 54.1% to $26.99 at Muscle and Strength
- Jun 04, 2025Optimum Nutrition AmiNO Energy 65 Servings (only Tropical Sunrise) dropped by 11.3% to $50.37 at Amazon
- Jun 04, 2025AllMax Nutrition A:Cuts 30 Servings (only Grape Escape) dropped by 25.4% to $19.99 at NutritionFaktory.com
- Jun 03, 2025Optimum Nutrition AmiNO Energy + Hydration 30 Servings (only Strawberry Burst) dropped by 15.1% to $20.49 at Amazon
- Jun 03, 2025Rule 1 R1 BCAAs 60 Servings (only Orange Burst) dropped by 69.8% to $16.43 at DPS Nutrition
- Jun 03, 2025DAS Labs Bucked Up Original BCAA 2:1:1 30 Servings (only Strawberry Mojito (Strawberry/Lime/Mint)) dropped by 12.2% to $28.25 at iHerb.com
- Jun 03, 2025HD Muscle IntraHD 20 Servings (only Watermelon) dropped by 6.2% to $37.49 at Walmart
- Jun 02, 2025FinaFlex Pure BCAA 2:1:1 30 Servings (only Fruit Punch) dropped by 18.7% to $19.49 at Muscle and Strength
- Jun 02, 2025Basic Supplements Glutamine 300 Grams dropped by 10.7% to $24.99 at Muscle and Strength
- Jun 02, 2025Optimum Nutrition AmiNO Energy 30 Servings (only Fruit Fusion) dropped by 11.9% to $29.99 at Muscle and Strength
- Jun 02, 2025Optimum Nutrition AmiNO Energy 30 Servings (only Blueberry Lemonade, Blueberry Mojito, Citrus Spritz, Green Apple, Juicy Strawberry Burst, Orange, Strawberry Lime, Tropical Sunrise, Watermelon) dropped by 17.6% to $29.99 at Muscle and Strength
- Jun 02, 2025Optimum Nutrition AmiNO Energy + Electrolytes 30 Servings (only Pineapple Twist, Strawberry Burst, Tangerine Wave, Watermelon Splash) dropped by 12.8% to $34.00 at Muscle and Strength
- Jun 02, 2025Nutrex EAA+ Hydration 30 Servings (only Strawberry Watermelon) dropped by 11.2% to $22.49 at DPS Nutrition
- Jun 02, 2025Optimum Nutrition AmiNO Energy + Hydration 30 Servings (only Watermelon Splash) dropped by 6.8% to $20.49 at Amazon
- May 31, 2025VMI Sports L-Carnitine 1500 Heat Liquid 31 Servings (only Miami Vice) dropped by 16% to $16.79 at DPS Nutrition
- May 31, 2025Rule 1 R1 BCAAs 60 Servings (only Watermelon Splash) dropped by 6.7% to $17.69 at DPS Nutrition
- May 30, 2025Mutant BCAA 9.7 30 Servings (only Tropical Mango) dropped by 25% to $26.99 at Amazon
- May 30, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Berry Burst, Blue Raspberry Rush, Cocoberry Breeze, Mango Pineapple Limeade) dropped by 8.2% to $22.95 at Campus Protein
- May 30, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Watermelon) dropped by 12.9% to $22.95 at Campus Protein
- May 30, 2025Rule 1 BCAA 60 Servings (only Fruit Punch, Grape, Orange, Peach Mango, Pineapple, Unflavored, Watermelon) dropped by 10% to $26.99 at Muscle and Strength
- May 30, 2025Optimum Nutrition AmiNO Energy 30 Servings (only Peach Mango Tango) dropped by 20% to $23.99 at Walmart
- May 30, 2025DAS Labs Bucked Up Racked BCAA 30 Servings (only Watermelon) dropped by 24.9% to $28.49 at iHerb.com
- May 29, 2025Rich Piana 5% Nutrition ALL DAY YOU MAY 10 Packets dropped by 15% to $25.50 at Rich Piana 5% Nutrition
- May 29, 2025EVLution Nutrition BCAA 5000 30 Servings (only Furious Grape) dropped by 20% to $10.54 at iHerb.com
- May 29, 2025EVLution Nutrition BCAA Energy +Electrolytes 30 Servings (only Grape Splash) dropped by 20% to $13.85 at iHerb.com
- May 29, 2025EVLution Nutrition BCAA 5000 240 Capsules dropped by 19.9% to $11.97 at iHerb.com
- May 29, 2025EVLution Nutrition BCAA 5000 60 Servings dropped by 20% to $11.41 at iHerb.com
- May 29, 2025EVLution Nutrition BCAA Energy 30 Servings (only Fruit Punch) dropped by 7.5% to $16.51 at iHerb.com
- May 29, 2025EVLution Nutrition BCAA1000 60 Vcaps dropped by 20% to $3.99 at iHerb.com
- May 27, 2025Hi-Tech Pharmaceuticals Off The Chain 30 Servings (only Blue Raspberry, Fruit Punch, Pink Lemonade) dropped by 40% to $17.96 at Best Price Nutrition
- May 26, 2025VMI Sports L-Carnitine 1500 Heat Liquid 31 Servings (only Gummy Bear) dropped by 23.8% to $16.19 at iHerb.com
- May 26, 2025Nutricost BCAA 90 Servings (only Watermelon) dropped by 7.9% to $34.95 at Amazon
- May 25, 2025Swolverine INTRA 30 Servings (only Tropical Blast) dropped by 11.8% to $25.64 at iHerb.com
- May 25, 2025Optimum Nutrition AmiNO Energy + Hydration 30 Servings (only Tangerine Wave) dropped by 6.8% to $20.49 at Amazon
- May 24, 2025AllMax Nutrition Aminocore BCAA 30 Servings (only Pink Lemonade) dropped by 33.4% to $9.99 at Supplement Hunt
- May 24, 2025FinaFlex Pure BCAA 2:1:1 30 Servings (only Watermelon) dropped by 33.4% to $9.99 at Supplement Hunt
- May 24, 2025Nutricost BCAA (Capsules) 500 Capsules dropped by 13.4% to $18.99 at Amazon
- May 23, 2025Primeval Labs EAA Max 30 Servings (only Gummy Bear) dropped by 57.1% to $29.99 at Muscle and Strength
- May 23, 2025Primeval Labs EAA Max 30 Servings (only Cherry Lemonade, Mango Pineapple, Orange Sherbet, Smash Berry, Strawberry Mango, Sweet Tea, Tropical Lemonade, Watermelon) dropped by 6.2% to $29.99 at Muscle and Strength
- May 23, 2025Rule 1 Active BCAA 30 Servings (only Blue Raspberry, Grape) dropped by 10.4% to $13.98 at DPS Nutrition
- May 23, 2025Labrada GlutaLean 500 Grams dropped by 10.7% to $29.99 at Amazon
- May 22, 2025Gaspari Nutrition SizeOn Get Swole 24 Servings (only Grape Cooler, Mango Splash) dropped by 10% to $35.99 at DPS Nutrition
- May 22, 2025Ronnie Coleman BCAA-XS 30 Servings (only Lemonbeary Gummies) dropped by 24.7% to $13.06 at iHerb.com
- May 20, 2025Rule 1 R1 Glutamine 130 Servings dropped by 13.3% to $24.23 at DPS Nutrition
- May 20, 2025Rule 1 R1 BCAAs 60 Servings (only Blue Raspberry, Fruit Punch, Pineapple Blast) dropped by 13.3% to $16.43 at DPS Nutrition
- May 17, 2025Cellucor COR-Performance Glutamine 72 Servings dropped by 14.3% to $29.99 at Walmart
- May 17, 2025MTN OPS BCAA 30 Servings (only Grape, Peach Mango) dropped by 10% to $35.95 at Amazon
- May 14, 2025Nutricost BCAA (for Women) 30 Servings (only Green Apple) dropped by 13.5% to $15.99 at VitaCost.com
- May 13, 2025Kaged Glutamine 500 Grams dropped by 10.5% to $21.25 at Kaged.com
- May 11, 2025Metabolic Nutrition L-Glutamine 1000 Grams dropped by 20% to $64.59 at iHerb.com
- May 11, 2025Metabolic Nutrition BCAA 300 Grams dropped by 20% to $19.75 at iHerb.com
- May 11, 2025Metabolic Nutrition Tri-Pep 40 Servings (only Unflavored) dropped by 20% to $26.59 at iHerb.com
- May 09, 2025Redcon1 Glutamine 300 Grams dropped by 53.3% to $11.90 at Campus Protein
- May 08, 2025Rule 1 R1 Glutamine 150 Servings dropped by 29.9% to $29.99 at Muscle and Strength
- May 05, 2025Rich Piana 5% Nutrition Core L-Glutamine 5000 60 Servings dropped by 11.6% to $20.29 at DPS Nutrition
- May 05, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Peach Bellini) dropped by 16.7% to $21.95 at DPS Nutrition
- May 05, 2025Rich Piana 5% Nutrition ALL DAY YOU MAY 30 Servings (only Blueberry Lemonade, Fruit Punch, Watermelon) dropped by 9.2% to $36.89 at DPS Nutrition
- May 05, 2025Alpha Prime Supps Glutamine 300 Grams dropped by 47.5% to $12.60 at Walmart
- May 02, 2025EVLution Nutrition BCAA Lean Energy 30 Servings (only Blue Raz) dropped by 30% to $17.49 at Walmart
- May 01, 2025Redcon1 Grunt 30 Servings (only Cherry Lime) dropped by 43.3% to $20.40 at Campus Protein
- May 01, 2025Bodybuilding.com ELITE Thermo + BCAA 30 Servings (only Sour Watermelon) dropped by 25% to $5.99 at Supplement Hunt
- Apr 29, 2025AllMax Nutrition Aminocore BCAA 90 Servings (only Sweet Tea) dropped by 15.2% to $39.99 at DPS Nutrition
- Apr 29, 2025AllMax Nutrition Aminocore BCAA 90 Servings (only Pineapple Mango) dropped by 11.1% to $39.99 at DPS Nutrition
- Apr 27, 2025Rule 1 R1 Train BCAAs 25 Servings (only Icy Grape) dropped by 16.7% to $24.99 at Amazon
- Apr 27, 2025Rule 1 R1 Train BCAAs 25 Servings (only Watermelon Splash) dropped by 11% to $24.99 at Amazon
- Apr 26, 2025Gaspari Nutrition SizeOn Maximum Performance 25 Servings (only Wild Berry Punch) dropped by 11.5% to $45.99 at Walmart
- Apr 22, 2025BodyTech BCAA 200 Capsules dropped by 39.1% to $23.74 at iHerb.com
- Apr 20, 2025Gaspari Nutrition SizeOn Maximum Performance 25 Servings (only Orange Cooler) dropped by 24.1% to $40.99 at Walmart
- Apr 20, 2025Ryse Supps BCAA Focus 30 Servings (only Country Time - Lemonade) dropped by 8.1% to $22.97 at Walmart
- Apr 16, 2025GHOST Intra 20 Servings (only Orange Squeeze) dropped by 6.4% to $32.00 at Ghost Lifestyle
- Apr 16, 2025SteelFit Steel Fuel 30 Servings (only Black Cherry Slushie, Pink Grapefruit) dropped by 34.9% to $14.95 at Amazon
- Apr 16, 2025SteelFit Steel Fuel 30 Servings (only Lemon Lime) dropped by 13.1% to $19.95 at Amazon
- Apr 14, 2025MuscleTech Amino Build 40 Servings (only Tropical Twist) dropped by 20% to $24.00 at MuscleTech.com
- Apr 10, 2025Apollon Nutrition Over The Top 20 Servings (only Passion Fruit Pineapple) dropped by 10% to $98.95 at Natural Body Inc
- Apr 08, 2025GHOST Intra 20 Servings (only Blue Raspberry, Welch's Grape) dropped by 6.4% to $32.00 at Ghost Lifestyle
- Apr 08, 2025GHOST BCAA 30 Servings (only Sour Patch Kids Blue Raspberry, Sour Patch Kids RedBerry) dropped by 20% to $22.40 at Ghost Lifestyle
- Apr 07, 2025Unmatched Supps Glutamine 30 Servings dropped by 96.7% to $19.99 at Unmatched Supps
- Apr 05, 2025Arms Race Nutrition Glutamine 300 Grams dropped by 16.7% to $24.99 at Amazon
- Mar 31, 2025Xtend Sport 30 Servings (only Blue Raspberry Ice) dropped by 10.5% to $18.70 at Cellucor.com
- Mar 30, 2025Metabolic Nutrition Tri-Pep 40 Servings (only Lemonade) dropped by 17.7% to $24.99 at AllStarHealth
- Mar 30, 2025RivalUs Steam BCAA 30 Servings (only Juicy Orange) dropped by 33.4% to $9.99 at Supplement Hunt
- Mar 24, 2025Optimum Nutrition AmiNO Energy + Hydration Drink 12 Cans (only Grape) dropped by 12.2% to $21.95 at DPS Nutrition
- Mar 24, 2025Optimum Nutrition Instantized BCAA 60 Servings dropped by 18.9% to $31.99 at DPS Nutrition
- Mar 20, 2025BSN Amino X 30 Servings (only Grape) dropped by 19.5% to $19.99 at Walmart
- Mar 20, 2025BSN Amino X 70 Servings (only Watermelon) dropped by 11.1% to $39.99 at Walmart
- Mar 18, 2025AllMax Nutrition A:Cuts 30 Servings (only Blue Raspberry) dropped by 58.3% to $14.99 at DPS Nutrition
- Mar 14, 2025Nutrex EAA+ Hydration 30 Servings (only Lemon Lime) dropped by 28.9% to $22.49 at DPS Nutrition
- Mar 13, 2025Alani Nu BCAA 30 Servings (only Sour Peach Rings) dropped by 25% to $29.99 at Amazon
- Mar 13, 2025Labrada Pro Series Glutamine 500 Grams dropped by 16.7% to $24.99 at Amazon
- Mar 07, 2025EVLution Nutrition BCAA Energy 30 Servings (only Blue Raz) dropped by 9.1% to $19.99 at AllStarHealth
- Mar 05, 2025GHOST Intra 20 Servings (only Sour Strips Rainbow) dropped by 6.4% to $32.00 at Ghost Lifestyle
- Feb 27, 2025AllMax Nutrition Aminocore BCAA 30 Servings (only Sweet Tea) dropped by 16.7% to $9.99 at Supplement Hunt
- Feb 27, 2025Spoken Nutrition Aminos + ATP 30 Servings dropped by 7.7% to $59.99 at VitaCost.com
- Feb 24, 2025Xtend Original 90 Servings (only Fruit Punch) dropped by 24.6% to $48.99 at DPS Nutrition
- Feb 18, 2025Core Nutritionals BCAA 318 Grams dropped by 16.7% to $24.99 at Core Nutritionals
- Feb 14, 2025Enhanced Labs Glutamine 300 Grams dropped by 9.9% to $28.99 at EnhancedLabs.com
- Feb 12, 2025Transparent Labs BCAA Glutamine 30 Servings (only Blue Raz) dropped by 15% to $34.00 at Transparent Labs
- Feb 01, 2025MRM Reload BCAA+G 24 Servings (only Island Fusion) dropped by 10.5% to $16.82 at AllStarHealth
- Jan 29, 2025GU Roctane BCAA Capsules 60 Capsules dropped by 16.8% to $9.99 at AllStarHealth
- Jan 24, 2025Redcon1 Grunt 30 Servings (only Tigers Blood) dropped by 24.3% to $27.99 at AllStarHealth
- Jan 19, 2025Hi-Tech Pharmaceuticals Off The Chain 30 Servings (only Rocket Pop) dropped by 43.7% to $8.00 at Natural Body Inc
- Dec 21, 2024Optimum Nutrition AmiNO Energy plus UC-II Collagen 30 Servings (only Fruit Fiesta) dropped by 70.4% to $7.99 at Supplement Hunt
- Dec 20, 2024Klout Aminos 25 Servings (only Berry Snowcone) dropped by 16.7% to $9.99 at Supplement Hunt
- Oct 18, 2024Transparent Labs BCAA Glutamine 30 Servings (only Strawberry Lemonade, Tropical Punch) dropped by 15% to $34.00 at Transparent Labs
- Oct 10, 2024DAS Labs Bucked Up Racked BCAA 30 Servings (only Pina Colada) dropped by 34.4% to $37.96 at Ruesco Supplement Outlet
- Oct 08, 2024Top Secret Nutrition BCAA Re-Igniter 30 Servings (only Cherry Margarita) dropped by 10% to $26.99 at Best Price Nutrition
- Sep 28, 2024Top Secret Nutrition BCAA Re-Igniter 30 Servings (only Pineapple Mango) dropped by 10% to $26.99 at Best Price Nutrition
- Sep 20, 2024Cutler Nutrition Generate 30 Servings (only Sour Rainbow Candy, Watermelon) dropped by 15.8% to $23.99 at VitaCost.com
- Sep 15, 2024Performance Inspired BCAA with Energy 30 Servings dropped by 19.5% to $32.99 at Walmart
- Aug 23, 2024GHOST BCAA 30 Servings (only Lemon Crush, Sour Patch Kids Watermelon) dropped by 20% to $22.40 at Ghost Lifestyle
- Aug 09, 2024iSatori Amino-Gro 30 Servings (only Blue Razz Snow Cone) dropped by 12% to $21.99 at Amazon
- Aug 08, 2024iSatori Amino-Gro 30 Servings (only Frosted Lemonade) dropped by 12% to $21.99 at Amazon
- Jul 10, 2024Revive MD Glutamine 300 Grams dropped by 11.2% to $16.00 at ReviveSups.com
- Mar 04, 2024Source Naturals L-Leucine 120 Capsules dropped by 7.5% to $13.69 at VitaCost.com
- Jan 10, 2024PEScience Amino IV 60 Servings dropped by 9.1% to $42.50 at PEScience
- Nov 09, 2023Optimum Nutrition AmiNO Energy 65 Servings (only Fruit Fusion) dropped by 56.8% to $19.00 at Suppz.com
- Nov 01, 2023Optimum Nutrition AmiNO Energy 30 Servings (only Blue Raspberry) dropped by 11.3% to $13.30 at Suppz.com
- Jun 22, 2023PEScience Amino IV 30 Servings (only Orange Dreamsicle) dropped by 15% to $25.50 at PEScience
- May 19, 2023NutraBio BCAA 2500 250 Vcaps dropped by 10% to $23.99 at NutraBio
- May 18, 2023NutraBio BCAA 5000 Natural Powder 60 Servings (only Raw Unflavored) dropped by 10% to $32.99 at NutraBio
- May 18, 2023NutraBio BCAA 5000 Natural Powder 60 Servings (only Strawberry Lemonade) dropped by 10% to $37.99 at NutraBio
- May 18, 2023NutraBio BCAA 5000 60 Servings (only Raw Unflavored) dropped by 10% to $32.99 at NutraBio
- May 17, 2023NutraBio L-Leucine 500 Grams dropped by 10% to $28.99 at NutraBio
- May 17, 2023NutraBio BCAA 5000 60 Servings (only Blue Raspberry, Grape Berry Crush) dropped by 10% to $32.99 at NutraBio
- Apr 28, 2023DAS Labs Bucked Up Racked BCAA 30 Servings (only Peach Mango) dropped by 31% to $37.96 at Ruesco Supplement Outlet
- Apr 16, 2023Purus Labs Everyday Amino 30 Servings (only Strawberry Lemonade) dropped by 16.7% to $14.99 at AllStarHealth
- Dec 02, 2022PEScience TruGlutamine 30 Servings dropped by 14.9% to $19.99 at PEScience
- Oct 19, 2022PMD BCAA Charged+ 30 Servings (only Peach Mango) dropped by 15.1% to $44.99 at Amazon
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Amino Acid Reviews & Videos
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Apr 15, 2025PEScience Versa Energy Drink -- Perfect 125mg Caffeine #energydrink #drinkversa #supplements #focus
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Apr 14, 2025MitoPrime Ergothioneine: The Longevity Vitamin Backed By 3 Major Scientific Studies #healthspan
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Apr 10, 2025Big Things Can Come in Little Sizes | NNB's MitoPrime + NutriScience's SalidroPure! #supplements
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Apr 08, 2025enfinity® Paraxanthine Makes Life Cider X the ULTIMATE ACV Energy Revolution! #Paraxanthine #acv
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Mar 31, 2025STOP CHOKING DOWN Apple Cider Vinegar - Try Life Cider X #LifeCiderX #acvbenefits #applecidervinegar
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Mar 26, 2025Ghost Basics Line Launches with Four Essential Supplements
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Mar 16, 2025Basic MASS: When Simple Nutrition Equals Serious Gains
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Mar 06, 2025GHOST Hydration v2 Returns: Enhanced Flavors & Sleek Design Elevate Hydration Game
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Mar 06, 2025Ghost Intra Lemon Lime: Fresh Citrus Flavor for Complete Workout Support
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Feb 13, 2025NNB Nutrition's DL185 Dileucine Shows Significant Strength Gains in New PLOS ONE Study
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Jan 29, 2025Enhanced Labs Shred Powers Your Cut with NeuroRush and CapsiBurn
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Jan 28, 2025Why Spoken Aminos + ATP Goes Beyond Basic Amino Acids
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Jan 27, 2025Nugenix Perform: Intimate Vitality Formula with Nitrosigine
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Jan 16, 2025Basic Supplements Goes Full Transparency with Third-Party Lab Test Results
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Jan 07, 2025AN Performance Pre: One Pre-Workout for All Training Types
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Jan 03, 2025NNB Nutrition's Brain Health Platform: The Future of Nootropic Beverages
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Dec 21, 2024ISSN Updates Position Stand on HMB
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Dec 21, 2024ISSN has updated its position stand on HMB and everyone should be noticing. Muscle building and...
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